Best Type of Crossbar To Use with the Thule Hullavator on a 2017 GMC Yukon XL

Question

Question:

It looks like in using the square bar, the connecion would be stronger because you use two bolts on each end. It looks like on a wing bar, you just have one t bolt on each end. I would think after time the t bolt would wear on the wing channel- any thoughts on this? I’m set to pull the trigger on a hullavator- just thinking about which is a stronger -less wobble- set up. Also do the square bars create wind noise? The bar size recommended for the yukon is 60”, I measured mine, where the outer edge to outer edge of the flush mount factory rail. 50 1/2+ -. The hullavator needs 4 to 8 inch of over hang. The max of 8 “ would mean i need a 66 “ bar to keep it balanced. Or just leave the one side 8” out and the other side 2” out. Any issues here?

asked by: Dave

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Expert Reply:

The Thule Hullavator Pro Kayak Carrier part # TH898 can indeed be used with both square crossbars via clamp-on attachments as well as aero crossbars via the track system. However, I would not say that one is stronger than the other. Roof rack manufacturers do extensive testing on their track systems and I cannot say I have ever heard of anyone having an issue with the tracks deforming. The main reason I recommend using aero crossbars is because they are much quieter than the square crossbars. The track system is also more convenient than the clamp-on attachments.

For aero crossbars I recommend the Rhino-Rack Vortex Aero Crossbar System part # RRVA165B-2, part # RRRCH4, and part # RRRCP43-BK. For square crossbars I recommend the Inno Square Crossbar System part # INB165, part # INXP, and part # INTR154. These systems both have 65" long bars which is what I recommend for the Hullavator on your 2017 GMC Yukon XL. The next size down will would be too small for you. However, with the square crossbars you can trim them if needed. The crossbars can be centered on the roof and still have enough overhang for you but if you like you can offset them.

expert reply by: Conner L

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Answer 1

From the looks of your photo, it looks like you have Thule SquareBar Evo Crossbars #TH712400. In order to mount these Thule crossbars on your flush rails, you can use the Inno Feet for Square Crossbars - Track Systems and Fixed Mounting Points -…

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Answer 2

The older style of Thule square bars are no longer made but I do have a solution for you. The Inno square crossbars are the exact same dimensions and will fit your Thule feet so you'd want the #INB137 for a set that is 54 inches long. The new…

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Answer 3

For the flush rails of your 2012 GMC Yukon Denali Yakima has their Jetstream roof rack part numbers #Y00426, #Y53TR, and #Y00246 and you'd have a set of 60 inch bars you could attach two of the Thule Hullavators #TH898 to. This rack fits into the…

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Answer 4

From the specs we have available on your 2021 Chevy Suburban High Country, you have flush factory rails on your roof. For your flush factory rails, the best Thule roof rack setup involves the following parts: - Thule WingBar Evo Crossbars - Aluminum…

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Answer 5

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 6

Yes, I have listed for your below the roof rack systems from Rhino-Rack, Thule, and Yakima that will fit the RetraxPRO XR Hard Tonneau Covers like part #RTT-80243 for your 2019 Ram 1500. Rhino-Rack Vortex Crossbar System part #RRVA180B-RRRLT600…

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Answer 7

Aside from a slight change in the appearance of the crossbar (the WingBar Evo has some boxed edges as opposed to the completely smooth front of the AeroBlade) the biggest differences are the rubber strip on top of the crossbar and the weight…

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Answer 8

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 9

For a roof rack to be compatible on your 2020 Jeep Wrangler with Sky One-Touch Power Top, it can't be mounted on the top of the roof and it needs to be high enough for the folding roof to clear. What you need are tall gutter-mounted roof racks.…

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Answer 10

There are a couple of differences between the two. The JetStream bars like #Y00425 are made of extruded aluminum while the CoreBars such as the #Y00421 you've looked at are constructed of galvanized steel. As you've mentioned, the CoreBar has…

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Answer 11

The Rhino-Rack Heavy-Duty Roof Rack Roof Rack have specific C-channels that are designed to fit specific Rhino-Rack Heavy-Duty accessories, like the Rhino-Rack Hi-Lift Jack and Shovel-Holder Brackets #RRRCB-RSHB-RJHB as an example. That's the…

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Answer 12

The Malone Universal Crossbar System #MPG201 is a more economical choice but it still does a good job. The design and quality of Thule's system is why they have such a large difference in price. Whether you go with the Thule Crossroads system…

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